4. please answer this asap Fill in the BlanksAnswers typed in all of the blanks will be automatically saved.X₂ X²Ω·For each of the following mutations in the lac operon, type a C if expression of lacZ would beconstitutive, an N if there would be no lacZ expression, and an / if lacZ expression would still beinducible by lactose.Write your response here...binding to it.Write your response here....lac operator.Write your response here...inducer.Write your response here...unable to bind.Write your response here...A mutation in the operator sequence that prevents the lac repressor fromA mutation in the lacl gene that makes the repressor unable to bind to theA mutation in the lacl gene that makes the repressor unable to bind to theA mutation in the lac promoter that makes RNA polymerase holoenzymeA mutation that moves the lacl gene to a different chromosomal location.

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Description: 4. please answer this asap Fill in the BlanksAnswers typed in all of the blanks will be automatically saved.X₂ X²Ω·For each of the following mutations in the lac operon, type a C if expression of lacZ would beconstitutive, an N if there would be no l

The lac operon is a group of genes in bacteria that regulate lactose breakdown and utilization. It…

Science

Biology

For each of the following mutations in the lac operon, type a C if expression of lacz would be constitutive, an N if there would be no lacZ expression, and an / if lacZ expression would still be inducible by lactose.

For each of the following mutations in the lac operon, type a C if expression of lacz would be constitutive, an N if there would be no lacZ expression, and an / if lacZ expression would still be inducible by lactose.

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter14: Gene Regulation

Section: Chapter Questions

Problem 13TYU: INTERPRET DATA Develop a simple hypothesis that would explain the behavior of each of the following...

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In the lac operon (below), how will expression of the genes lacZ and lacy be effect by a mutation in the repressor protein (encoded by lach) that prevents it from binding the operator sequence (lacO) in the absence of lactose? Explain the answer
Which of the following statements is false?a) A derivative of lactose serves as an inducer of the lac operon.b) Signal transduction provides a mechanism for a cell to sense the conditions of its external environment.c) Quorum sensing allows bacterial cells to sense the density of like cells.d) An example of a two-component regulatory system is the lactoseoperon, which is controlled by a repressor and an activator.e) An ORF is a stretch of DNA that may encode a protein.
Which option is true when considering the regulation of cAMP and the Lac operon. If bacteria are in a medium containing low glucose, but suddenly glucose concentration in the medium increases by ten times, then we expect that cAMP...... a) Will increase inside the cell. b) Will not increase inside the cell.
Describe the mechanism by which cAMP receptorprotein (CRP), the regulatory protein for catabolite repression, functions. Use the lactose operon as an example.
If glucose is not available, but lactose is available from the environment, what is the status of transcription of the lac operon genes? Explain your answer from both an evolutionary perspective and in terms of negative and positive regulation of the operon?
A mutation in the repressor LacI causes it to lose the ability to bind its effector, allolactose. What will be the effect of this mutation in the presence of allolactose (assume glucose is absent)? a) LacI cannot bind to the lac operator (lacO) and transcription of the lac operon is blockedb) LacI is permanently bound to the lac operator (lacO) and transcription of the lac operon is blocked c) LacI cannot bind to the lac operator (lacO) and transcription of the lac operon increasesd) LacI is permanently bound to the lac operator (lacO) and transcription of the lac operon increases
The symbols A, B, C, D, E represent all the components of the lac operon, excluding LacA. The symbols are not in the order of the lac operon. Minus and plus signs represent activity of lacZ or LacY in the absence or presence of IPTG. LacI+ or LacI-, and LacO+ or LacOC alleles were used. Which of the symbols represents each of the lac operon components?
In your own words describe in detail what happens at the lac operon in each of the following situations Lactose, no glucose (high cAMP) No lactose or glucose (high cAMP) Lactose and glucose (low cAMP) Glucose, no lactose (low cAMP)
describe the actions of the normal and mutated lac operon in absence of lactose
Given the Table below concerning the lac operon, match the letter with what would be occurring for each scenario. Repressor is bound to the operator, cAMP complex is bound and transcription is prevented. Allolactose is bound to the repressor, cAMP complex is bound, and transcription is prevalent. Allolactose is bound to the repressor, cAMP complex is not assembled, and transcription is slow Repressor is bound to the operator, cAMP complex is not assembled, and transcription is prevented.
If glucose levels in the cell are high and lactose is available from the environment, what is the status of transcription of the lac operon genes? Explain your answer from both an evolutionary perspective and in terms of negative and positive regulation of the operon?
A low level of expression of lac operon occurs at all the time.can you explain the logic behid this phenomena?